#include <sys/types.h>
#include <sys/stat.h>
#include "../ourhdr.h"

int main(void)
{
    struct stat statbuf;
    if(stat("foo",&statbuf) < 0)
    {
        err_sys("stat error for foo");
    }
    if(chmod("foo", (statbuf.st_mode & S_IXGRP) | S_ISGID ) < 0 )
    {
        err_sys("chmod error for foo");
    }
    if(chmod("bar", S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) < 0)
    {
        err_sys("chmod error for bar");
    }
    exit(0);
}